Cita APA (7th ed.)

(1968). Elements of mathematics. Prentice-Hall.

Cita Chicago (17th ed.)

Elements of Mathematics. New Jersey: Prentice-Hall, 1968.

Cita MLA (9th ed.)

Elements of Mathematics. Prentice-Hall, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.